1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x53a98e9e6c6bf6b68ac4dbe4b06a634b48bc2c8d4d7451982bbd9cdc4074c58c. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/cbbbc5c5-1cc3-4b51-86ff-4e0458b1b7f0.json and https://artists.proofprofile.net/proofs/artist/cbbbc5c5-1cc3-4b51-86ff-4e0458b1b7f0.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x345f6378970249e24606220fb629f665a6a0b49dff4aa00711f9a1b4198b67e6. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USCRH0710309.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1c763846f0dc2696a9e30a9611d5ff8f62279ed8e1e80338f1da1b066be8e1e8. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USCRH1010003.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x87bbe9b3758cbef71fbbe7bafc5dd8449f8f112386391339cbe07705b13978d5. Chain 2 (Bitcoin): anchored in block 958621 (2026-07-18T22:59:44Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USCRH1560001.
I.E. Riders (feat. Lil Blacky & Hectic Uno) - Remastered
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd8db81e4a97617159c86f6d79df88bba557a2a68da10eecdbfadef8ab35d7de0. Chain 2 (Bitcoin): anchored in block 958544 (2026-07-18T12:14:37Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SE6A92079053.
Banging On The Streets (feat.Lil Blacky, Lucky, Mr Fern)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb2cd451612a371e8a09a85ee324fd7c39a596c3e8f262f1980b175f93b28ce61. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCAFC2064560.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe242c89daf53bfa971503a048be301bfb2b43a58738d59526ee66d5882f5888b. Chain 2 (Bitcoin): anchored in block 960138 (2026-07-29T19:35:34Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCAFC2052954.
1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x46d8d25dcb64672b92d3df5769966e53b667e6d89ab45a4711a5159743fb589a. Chain 2 (Bitcoin): anchored in block 959008 (2026-07-21T15:47:44Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USASN2530051.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfcaae7e530749d3699c97c19bc15500c67ad56661ec027772cbb93b041fcb54d. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USASN0800503.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xead20200f28d03c8a787b25f40d015a3bc972557d9de3e60e6d5280fd0f0b625. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USASN0800508.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8927bde84aeab2ecabd560575380bb18620a3d68d5771002fd7209a229c0b719. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USCRH0710064.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x428a870fbaf8b340a02bbcbe1384579e018f41dd30155e8db240451cbcb6c38b. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USCRH0710075.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5369c3c73fe65ded371655ec94648e3e84cd88b8526e745a4af819f3005e8d39. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USASN0800596.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe26f03c568e0db19c84569bab04ade8955ce78498cb07f2aeb6dc535f7de2419. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USPRZ0910129.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9b67dfdd74d633d018d6f93a9e412bb1373968829e5b6315165a1a5ae705900c. Chain 2 (Bitcoin): anchored in block 960144 (2026-07-29T21:09:47Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USASN0800499.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6eb39534f97095bd8d822948a6b1c99e2b0a765c08860e5fb262a2d5d7bd2c17. Chain 2 (Bitcoin): anchored in block 960327 (2026-07-31T00:26:26Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USASN0800592.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1cf5f0411b6037837c7e4aac8e9d1f21333f76505ee54a57f3bf30882e4530e6. Chain 2 (Bitcoin): anchored in block 960509 (2026-08-01T04:30:37Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USASN0800603.